Rabbit Age Calculator
Enter your rabbit's age to estimate the equivalent human age, based on typical lagomorph aging patterns.
Last updated: September 25, 2026
Frequently asked questions
How fast do rabbits age compared to humans?
Rabbits mature very quickly - a 1-year-old rabbit is roughly equivalent to a 21-year-old human, then aging slows to about 6 human years per rabbit year after that.
How long do pet rabbits typically live?
Well-cared-for house rabbits commonly live 8-12 years, with some living longer depending on breed and health.
Do different rabbit breeds age at different rates?
Somewhat - larger rabbit breeds tend to have shorter lifespans and may show signs of aging earlier than smaller breeds, following a similar (though less dramatic) size-to-lifespan pattern seen in dogs, though this calculator uses a general estimate rather than breed-specific curves.
Does spaying or neutering affect a rabbit's lifespan or aging rate?
Yes - spayed and neutered rabbits generally live longer than intact rabbits, since the procedure significantly reduces the risk of reproductive cancers that are common in unaltered rabbits, particularly female rabbits, who face a high lifetime risk of uterine cancer if left intact.
Is a 6-month-old rabbit already an adult in human-year terms?
Close to it - rabbits reach a large share of their adult-equivalent age within the first year, so a 6-month-old rabbit is already roughly comparable to a young adult human, well ahead of where a dog or cat of the same age would land.
How old is a 5-year-old rabbit in human years?
Using the formula's post-year-one rate of about 6 human years per rabbit year, a 5-year-old rabbit works out to roughly 45 human years - 21 for the first year plus 24 for the following four.
How does rabbit aging compare to cat or dog aging?
Rabbits front-load their maturity even more sharply than cats or dogs, hitting a human-equivalent adulthood within about a year, then age at a comparatively brisk and steady rate afterward rather than slowing down as dramatically as senior cats or dogs do.